OHA Drinking Water Services
PWS ID: 00229 ---- RIDGEWOOD DIST IMPROV CO
Excel Spreadsheet

MCL = 10 mg/L; MCL exceedances are indicated with red text.
ND = Not detected at the minimum reporting level.
Nitrate Samples
Sample ID Sample
Date
Date
Received
Analyte Name Source Name Source
ID
Result
(mg/L)
Comments
2137544 06/02/2021 07/15/2021 NITRATE EP for WELL EP-A0.09
2032879-I 06/01/2020 06/04/2020 NITRATE EP for WELL EP-AND
1938774-I 06/03/2019 06/06/2019 NITRATE EP for WELL EP-AND
1840699 06/06/2018 07/10/2018 NITRATE EP for WELL EP-A0.06
1729107-I 06/01/2017 06/07/2017 NITRATE EP for WELL EP-AND
1628529-I 06/01/2016 06/03/2016 NITRATE EP for WELL EP-AND
1524306 06/01/2015 06/22/2015 NITRATE EP for WELL EP-A0.07
1423411-I 06/02/2014 06/05/2014 NITRATE EP for WELL EP-AND
OR100063-21718-I 06/03/2013 06/18/2013 NITRATE EP for WELL EP-A0.09
26064-I 06/04/2012 06/22/2012 NITRATE EP for WELL EP-AND
23455-I 06/01/2011 06/10/2011 NITRATE EP for WELL EP-AND
21035-I 06/01/2010 06/08/2010 NITRATE EP for WELL EP-AND
18846-I 06/01/2009 06/29/2009 NITRATE EP for WELL EP-AND
16829-I 06/02/2008 06/06/2008 NITRATE EP for WELL EP-AND
14665 06/01/2007 06/11/2007 NITRATE EP for WELL EP-AND
12654-I 06/01/2006 06/23/2006 NITRATE EP for WELL EP-AND
10063N 06/01/2005 06/06/2005 NITRATE EP for WELL EP-AND
7977N 06/01/2004 03/08/2005 NITRATE EP for WELL EP-AND
6193I 06/10/2003 07/22/2003 NITRATE EP for WELL EP-A0.2
4464 05/05/2002 05/13/2002 NITRATE EP for WELL EP-AND
 

Archived Nitrate Samples
Sample ID Sample
Date
Date
Received
Analyte Name Source Name Source
ID
Result
3018 05/07/2001 05/11/2001 Nitrate WELL AAND
1872 06/05/2000 06/12/2000 Nitrate WELL AAND
1871 06/05/2000 07/13/2000 Nitrate WELL AA0.17
971701 06/23/1999 07/13/1999 Nitrate WELL AA0.13
784901 08/10/1998 09/30/1998 Nitrate WELL AA0.15
5615 06/24/1997 08/29/1997 Nitrate WELL AA0.17
926001 09/20/1995 11/16/1995 Nitrate WELL AA0.07
520901 05/04/1993 01/21/1994 Nitrate WELL - WELL AAND
-1985176 10/24/1990 11/29/1990 Nitrate WELL AND
-1985177 11/10/1987 04/18/1988 Nitrate WELL AND
-1985178 10/08/1984 10/08/1984 Nitrate WELL AND
 




For further information on this public water system, click on the area of interest below:
System Info :: Report for Lenders :: Alerts :: Violations :: Compliance & Enforcement :: Contacts & Advisories :: Site Visits :: Public Notice
Coliform Summary :: Coliform Results :: Sampling Schedule for Coliform :: Groundwater/GWUDI Source Details :: Plan Review :: Annual Fee
Chemical Group Summary :: Latest Chemical Results :: Entry Point Detects :: Single Analyte Results 
Chemical Schedule Summary :: Chemical Schedule Details
Lead & Copper :: Corrosion Control (LCR) :: Nitrate :: Arsenic :: Radionuclides :: GWR 4-Log :: LT2 :: Cyanotoxins
DBPs :: TOC & Alkalinity :: DBP Sample Sites :: FANLs :: MRDL :: Turbidity :: SWTR :: RAA :: LRAA For SDWIS: 4120